#addBrandDiv{
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 715px;
    /*background-color: rgba(75, 81, 95, 0.3);*/
    background-color: rgba(75, 81, 95, 0.7);
    box-shadow: 7px 7px 17px rgba(52, 56, 66, 0.5);
    /*border-radius: 5px;*/
    /*margin-left: 190px;*/
    background: url(../imgs/addBrand.jpg) no-repeat 0px 0px;
    background-repeat: no-repeat;
}

input{
    /*取消外边框*//*在点击输入input的适合，框边就显示比较粗的边框，那么怎么将这个样式取消呢？*/
    outline-style: none ;
    border: 1px solid #7f7c7f;
    border-radius: 3px;
}
textarea{
    outline-style: none ;
    border: 1px solid #7f7c7f;
    border-radius: 3px;
}